134 37. UMBELLIFER.E. 



1. HYDROCOTYLE. Cal. J obsolete. Pet. ovate, entire, acute. 

 Fr. of 2 flat nearly, circular naked carpels, each with 5 fili- 

 form ridges, of which the dorsal and 2 lateral are often ob- 

 solete, the 2 others arched. Vittae 0. Commissure linear. 



Tr. II. SANICULEjE. Fr. ovate; transverse section nearly 

 round. 



2. SANICULA. Cal. of 5 leafiike teeth. Pet. erect, obovate, 

 with a long inflexed connirent point. Fr. subglobose, covered 

 with hooked spines ; ridges ; vittae many. 



3. ASTRANTIA. Cal. of 5 leaflike teeth. Pet. erect, with a 

 long intiexed point. Fr. subglobose with 5 plicate-dentate 

 ridges ; vittae 0. 



Tr. III. ERYNGIE^E. Fr. ovoid; transverse section nearly 

 round. Fl. in a head. 



4. ERYNGIUM. Cal. of 5 leafiike teeth. Pet. erect, oblong, 

 with a long inflexed point. Fr. ovoid, covered with chaffy 

 scales without ridges or vittae. 



[33. Torilis.] 

 ** With perfect or compound umbetf 



t With primary ridges only. 



Tr. IV. AMMINE^E. Fr. laterally compressed or didymous. 

 A. Leaves compound. 



5. CICUTA. Cal. o/5 leaflike 1 eeth. Pet. obcordate with an 

 inflexed point. Fr. subdidymous. Carp, with 5 equal broad 

 flattened ridges, the lateral marginal ; vittse solitary. 



6. APIUM. Cal. obsolete. Pet. roundish entire with a small 

 involute point. Fr. roundish ovoid, didymous. Carp, with 

 5 filiform equal ridges and solitary vittae. Inv. 0. 



7. PETROSELINUM. Cal. minute or obsolete. Pet. roundish 

 entire with a narrow incurved point. Fr. ovoid. Carp, 

 with 5 filiform equal ridges and solitary vittae. Carpophore 

 bipartite. Involucre, partial of many, general of few leaves. 



8. TRINIA. Dioecious. Cal. obsolete. Pet. of the barren fl. 

 lanceolate with the point inflexed, of the fertile fl. ovate with 

 a short inflexed point. Fr. ovoid. Carp, with 5 filiform 

 prominent equal ridges with a single vitta beneath each of 

 them. Interstices without vitt&. 



1 By calyx, throughout this Order, the free margin is intended. 



